ww1

start

Jun 28, 1914

archduke franz ferdinand heir to austria hungarys throne and his wife sophia are assasinated by serbian nationalist Gavrilo princip

declaring

Jul 28, 1914

austria hungary declares war on serbia

declaration2

Aug 1, 1914

germany declares war on russia

declaration3

Aug 3, 1914

germany declares war on france

declaration4

Aug 4, 1914

the uk declares war on germany after germany invades belgium

declaration5

Aug 6, 1914

austria hungary declares war on russia and serbia declares war on russia and serbia declares war on germany

battle

Apr 22, 1915

second battle of ypres begins,duiring this battle the germans first use poison gas.

begin

Apr 25, 1915

the battle of gallipoli begins

verdun

Feb 21, 1916

the battle of verdun begins,this was the longestbattle of ww1 and the bloodiest

sommes

Jul 1, 1916

the battle of sommes begins duiring the batttle tanks are introduced